CN221775464U - Polylactic acid knitted mattress fabric - Google Patents
Polylactic acid knitted mattress fabric Download PDFInfo
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- CN221775464U CN221775464U CN202323299456.6U CN202323299456U CN221775464U CN 221775464 U CN221775464 U CN 221775464U CN 202323299456 U CN202323299456 U CN 202323299456U CN 221775464 U CN221775464 U CN 221775464U
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Abstract
本实用新型提供一种聚乳酸针织床垫面料，包括上层、中间层和下层，所述上层表面为织物正面，所述下层表面为织物反面，所述针织床垫面料的上层是聚乳酸纱线编织层，所述中间层是三维卷曲聚乳酸纱线非编织层，所述下层是聚乳酸纱线编织层，所述下层中的一部分聚乳酸纱线具有连接所述上层和所述下层的连接纱。本实用新型的面料不仅较好的透气性、蓬松性、保暖性与吸湿排汗性，还兼具聚乳酸手感舒适、亲肤抑菌、环境相容和生物可降解的优良特性，可更好地呵护使用者的肌肤，有助于人们的健康睡眠。
The utility model provides a polylactic acid knitted mattress fabric, comprising an upper layer, an intermediate layer and a lower layer, wherein the upper layer surface is the front side of the fabric, and the lower layer surface is the reverse side of the fabric. The upper layer of the knitted mattress fabric is a polylactic acid yarn woven layer, the intermediate layer is a three-dimensional curled polylactic acid yarn non-woven layer, and the lower layer is a polylactic acid yarn woven layer, and a part of the polylactic acid yarn in the lower layer has a connecting yarn connecting the upper layer and the lower layer. The fabric of the utility model not only has good air permeability, fluffiness, warmth retention and moisture absorption and perspiration, but also has the excellent characteristics of polylactic acid, such as comfortable hand feel, skin-friendly and antibacterial, environmental compatibility and biodegradability, which can better protect the user's skin and help people sleep healthily.
Description
Technical Field
The utility model belongs to the technical field of textile fabrics, and particularly relates to a polylactic acid knitted mattress fabric.
Background
Sleep is one of the most fundamental physiological needs of humans, and about 1/3 of the human life is spent in sleep. The quality of sleep is closely related to the health of human body, and sufficient sleep can eliminate brain fatigue, promote physical recovery and enhance the immunity of the organism. The mattress is used as a carrier during sleeping, is a key factor influencing sleeping quality, and the mattress with high quality can provide good conditions for comfortable sleeping.
The human body can discharge about 250ml of sweat during sleep, which can be absorbed by the mattress even if a bed sheet and a mattress are laid. The mattress fabric covered on the upper layer of the mattress is in close contact with the human body, can directly influence the sleeping quality, and has important quality. If the quality of the mattress fabric is poor, the mattress fabric cannot breathe and sweat, and can obstruct the breathing and excretion of the skin, so that the human body can generate uncomfortable stuffy feel and wet and cold feel, the skin problem is easy to cause, the turn-over probability is increased, and the sleeping quality is reduced.
Traditional functional fabrics cannot meet the demands of people, and green environment-friendly materials represented by polylactic acid are more and more favored by people. Polylactic acid is prepared by fermenting and polymerizing natural plants (such as corn and cassava) rich in starch serving as raw materials through a modern biotechnology. In recent years, polylactic acid materials have become important points of global research and application due to the advantages of rich sources, environmental protection, compostability and degradation and the like. However, no patent technology and related reports for preparing ecological environment-friendly multifunctional polylactic acid mattress fabric by taking pure polylactic acid yarns as raw materials have been found at present.
The existing functional mattress fabric can be divided into non-woven type, woven type and knitted type according to different manufacturing modes. For example, chinese patent publication No. CN217597997U discloses a method for preparing a high-breathability anti-wrinkle non-woven mattress fabric, which comprises a first non-woven fabric layer and a second non-woven fabric layer, wherein reinforcing filaments are arranged between the first non-woven fabric layer and the second non-woven fabric layer. The reinforcing wires are arranged along the edge of the first non-woven fabric layer and are fixedly connected with the first non-woven fabric layer and the second non-woven fabric layer respectively, and the edges of the first non-woven fabric layer and the second non-woven fabric layer are also provided with a packaging layer for cladding and fixing the reinforcing wires. Although the mattress fabric has certain air permeability and tearing strength, the air permeability, the fluffiness and the like are poor.
The Chinese patent publication No. CN209383908U discloses a preparation method of flame-retardant mattress cloth, which relates to mattress cloth comprising a fabric layer and a flame-retardant fireproof layer, wherein the flame-retardant fireproof layer is arranged at the bottom of the mattress fabric layer. The mattress surface layer is formed by weaving first warp yarns and first weft yarns, the flame-retardant fireproof layer is formed by weaving second warp yarns and second weft yarns, the edges of the mattress surface layer and the flame-retardant fireproof layer are provided with lockstitching a border, the first warp yarns and the first weft yarns are interwoven in a mutually perpendicular mode, and the second warp yarns and the second weft yarns are interwoven in a mutually perpendicular mode. Although the flame-retardant mattress cloth has a flame-retardant effect, the woven fabric is poor in elasticity and single in functionality.
Chinese patent publication No. CN107938126a discloses a jacquard knitted fabric for mattress cloth and a knitting method thereof, which involves a fabric that is knitted by using a circular knitting machine with two-sided needle selection of rib knitting, is knitted by a computer to make an arbitrary pattern on a cylinder side, is knitted by a computer to make an arbitrary pattern on a dial side, and is knitted by combining the pattern obtained on the cylinder side with the pattern obtained on the dial side to make an arbitrary knitting structure on an arbitrary portion. The jacquard knitted fabric is attractive and fashionable and firm in texture, but does not consider basic functionalities such as ventilation and the like required by mattress fabrics.
As can be seen from the related patents, the prior mattress fabric has certain air permeability, flame retardance or fashion, but the raw materials of the traditional mattress fabric are mainly polyester or cotton. Although the mattress fabric prepared by taking chemical fibers such as terylene and the like as raw materials has low cost, the mattress fabric has common air permeability and belongs to non-renewable energy sources, and the green environmental protection concept is violated; the mattress fabric prepared from cotton is extremely easy to breed mites in a wet environment, and serious skin diseases can be caused.
Disclosure of utility model
The present utility model is directed to overcoming one or more of the problems of the prior art as set forth above and providing a multifunctional polylactic acid knitted mattress fabric.
According to one aspect of the utility model, a polylactic acid knitted mattress fabric comprises an upper layer, a middle layer and a lower layer, wherein the surface of the upper layer is a fabric front surface, the surface of the lower layer is a fabric back surface, the upper layer of the knitted mattress fabric is a polylactic acid yarn braiding layer, the middle layer is a three-dimensional curled polylactic acid yarn non-braiding layer, the lower layer is a polylactic acid yarn braiding layer, and a part of polylactic acid yarns in the lower layer are provided with connecting yarns for connecting the upper layer and the lower layer.
According to one embodiment of the present utility model, the linear density of the polylactic acid yarns of the upper and lower layers and the three-dimensional crimped polylactic acid yarns of the intermediate layer is greater than 50D.
According to one embodiment of the present utility model, the linear density of the polylactic acid yarns of the upper layer and the lower layer is 150D, and the linear density of the three-dimensional crimped polylactic acid yarns of the intermediate layer is 600 to 900D.
According to one embodiment of the utility model, the three-dimensional curled polylactic acid yarn of the middle layer is formed by alternately and continuously arranging the knitting front coil group and the knitting back coil group, so that three-dimensional curled forms with different buckling directions are formed.
According to one embodiment of the present utility model, the three-dimensional crimped polylactic acid yarn has a knitted front stitch group comprising one or more knitted front stitches arranged in succession, and a knitted back stitch group comprising one or more knitted back stitches arranged in succession.
According to one embodiment of the utility model, the knitted front stitch group comprises 1-3 knitted front stitches and the knitted back stitch group comprises 1-3 knitted back stitches.
According to one embodiment of the utility model, the fabric front side and/or the fabric back side of the polylactic acid knitted mattress fabric are provided with jacquard patterns.
According to one embodiment of the utility model, jacquard patterns on the back surface of the fabric of the polylactic acid knitted mattress fabric are horizontal stripes, vertical stripes or sesame pits.
According to one embodiment of the utility model, the polylactic acid knitted mattress fabric has a thickness of more than 1mm; the gram weight of the polylactic acid knitted mattress fabric is larger than 200g/m 2.
According to one embodiment of the utility model, the upper layer of the knitted mattress fabric is knitted from one or more polylactic acid yarns, and the lower layer is knitted from one or more polylactic acid yarns.
Compared with the prior art, the polylactic acid knitted mattress fabric provided by the utility model has the following advantages and positive effects:
The polylactic acid mattress fabric provided by the utility model consists of an upper layer, a lower layer and a middle layer positioned between the upper layer and the lower layer, wherein the upper layer and the lower layer are both woven layers woven by taking pure polylactic acid yarns as raw materials, the middle layer is filled with three-dimensional curled polylactic acid yarns with high elasticity and good fluffiness, and the three-dimensional curled polylactic acid yarns are non-woven layers, so that the excellent fluffiness can be maintained. The fabric disclosed by the utility model has the advantages of good air permeability, fluffiness, warmth retention, moisture absorption and perspiration, and good characteristics of comfortable hand feeling, skin-friendly bacteriostasis, environmental compatibility and biodegradability of polylactic acid, can better care the skin of a user, and is beneficial to the healthy sleep of people.
Drawings
In order to more clearly illustrate the specific embodiments of the present utility model or the solutions in the prior art, the drawings that are required in the description of the specific embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are some embodiments of the present utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a polylactic acid knitted mattress fabric provided by the utility model.
Fig. 2 is a schematic structural view of three-dimensional crimped polylactic acid yarns lined in an intermediate layer of a polylactic acid knitted mattress fabric provided by the utility model.
Fig. 3 shows a front pattern effect and a partial enlarged view of a fabric of a first embodiment of the polylactic acid knitted mattress fabric of the present utility model.
Fig. 4 shows a partial weave view of a first embodiment of the polylactic acid knitted mattress fabric of the present utility model.
Fig. 5 shows a front pattern effect and a partial enlarged view of a fabric of a second embodiment of the polylactic acid knitted mattress fabric of the present utility model.
Fig. 6 shows a partial weave diagram of a second embodiment of the polylactic acid knitted mattress fabric of the present utility model.
Fig. 7 is a front pattern effect and a partial enlarged view of the fabrics of the third and fourth embodiments of the polylactic acid knitted mattress fabric of the present utility model.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
As shown in fig. 1, the basic structure of the polylactic acid knitted mattress fabric provided by the utility model is quilted structure, and comprises an upper layer 1, a middle layer 3 and a lower layer 4, wherein the surface of the upper layer 1 is the front surface of a fabric, the surface of the lower layer 4 is the back surface of the fabric, and the middle layer 3 is arranged between the upper layer 1 and the lower layer 4. The upper layer 1 of the knitted mattress fabric is a knitted layer knitted by polylactic acid yarns, and can be knitted by selecting needles according to the pattern design of the upper layer 1, the middle layer 3 is a three-dimensional curled polylactic acid yarn which does not participate in knitting, namely a non-knitted layer (weft insertion layer), the lower layer 4 is a knitted layer knitted by polylactic acid yarns, and can be knitted by selecting needles according to the pattern design of the lower layer 4. Wherein a part of the polylactic acid yarns in the lower layer 4 has connecting yarns 2 connecting the upper layer 1 and the lower layer 4, the connecting yarns 2 may be formed during the weaving of the lower layer 4.
In the polylactic acid knitted mattress fabric provided by the utility model, the linear density of the polylactic acid yarns of the upper layer 1 and the lower layer 4 and the three-dimensional curled polylactic acid yarns of the middle layer 3 is more than 50D. In one embodiment, the linear density of the polylactic acid yarns of the two layers of the upper layer 1 and the lower layer 4 is 150D, and the linear density of the three-dimensional crimped polylactic acid yarns of the intermediate layer 3 is 600 to 900D.
As shown in fig. 2, the three-dimensional crimp yarn of the intermediate layer 3 of the present utility model is formed by alternately and continuously arranging the knitting front stitch group and the knitting back stitch group, and forms three-dimensional crimp patterns having different buckling directions. The knitting front stitch group and the knitting back stitch group are arranged continuously, i.e. no flat floating line exists between the front stitch group and the knitting back stitch group.
Each knitted front stitch group comprises one knitted front stitch 11, or comprises a plurality of, for example, 3 knitted front stitches 11, when the knitted front stitches 11 in each knitted front stitch group are a plurality, the knitted front stitches 11 are arranged continuously, that is, no straight float line exists between two adjacent knitted front stitches 11; each knitted back stitch group includes one knitted back stitch 12 or a plurality of, for example, 3 knitted back stitches 12, and when the knitted back stitches 12 in each knitted front stitch group are plural, the knitted back stitches 12 are arranged continuously, that is, there is no straight float between two adjacent knitted back stitches 12.
The three-dimensional crimp yarn of the present utility model is formed by closely arranging a plurality of outer knitting stitches, because the yarn does not have straight floats, and has dense stitches and high degree of buckling, and the buckling direction of the knitting front stitch 11 is different from the buckling direction of the knitting back stitch 12, so that the three-dimensional crimp yarn has good three-dimensional property and excellent bulkiness.
Referring to fig. 2, fig. 2 shows only a case where the knitted front stitch group includes only one knitted front stitch 11 and the knitted back stitch group includes only one knitted back stitch 12, the three-dimensional crimp yarn is formed by alternately and continuously arranging one knitted front stitch 11 and one knitted back stitch 12. In other embodiments, the three-dimensional crimp yarn may be formed by alternately and continuously arranging 2 knitted front stitches 11 and one knitted back stitch 12, or by alternately and continuously arranging 1 knitted front stitch 11 and 3 knitted back stitches 12, or by alternately and continuously arranging 3 knitted front stitches 11 and 4 knitted back stitches 12, and so on. In general, the number of knitting front stitches 11 in each knitting front stitch group and the number of knitting back stitches 12 in each knitting back stitch group are not particularly limited, and may be appropriately increased or decreased according to design requirements.
The polylactic acid knitted mattress fabric provided by the utility model can be provided with jacquard patterns on the front surface and the back surface of the fabric. Usually, the front surface of the fabric is provided with more complicated and attractive jacquard patterns, the back surface of the fabric can be provided with no jacquard patterns or only simpler jacquard patterns, such as transverse stripes, longitudinal stripes, small sesame pits or big sesame pits, and the like. The thickness of the polylactic acid knitted mattress fabric can be more than 1mm, and the gram weight can be more than 200g/m 2.
The jacquard pattern and the upper process of the mattress fabric are designed by adopting Autopaint pattern design software, and the knitting mattress fabric is knitted by adopting a TERROT UCC multi-functional double-sided electronic needle selection jacquard circular machine with 2052 needles and 48 paths.
Example 1
As shown in fig. 3 and 4, the polylactic acid knitted mattress fabric of the embodiment 1 comprises an upper layer 1, a middle layer 3 and a lower layer 4, the mattress fabric is jacquard with two colors, 3 paths of processes form a complete knitting cycle, and 3 paths of specific threading modes are as follows:
(1) The 1 st path is a color yarn I of 150D white polylactic acid yarn;
(2) The 2 nd path is 600D three-dimensional curled polylactic acid yarn (weft-inserted yarn);
(3) The 3 rd path is a color yarn II of 150D blue polylactic acid yarns;
As shown in fig. 3, the pattern effect and the enlarged partial view of the fabric front surface of the polylactic acid knitted mattress fabric of example 1 include an unconnected area a (white area) where the upper layer 1 and the lower layer 4 are knitted on one side, and a connected area B (black area) where the lower layer 4 is knitted while connecting the upper layer and the lower layer.
The weave pattern of the unconnected region a and the connected region B is shown in fig. 4: the unconnected area A is an air layer structure, and the upper layer 1 is woven on the front surface of the fabric by the colored yarns I to form a pure-colored pattern; the lower layer is woven by the colored yarn II on the back surface of the fabric to form a pure-colored pattern; a 600D three-dimensional curled polylactic acid yarn which does not participate in knitting is lined in the interlayer between the upper layer and the lower layer; the upper layer 1 of the connecting area B is mainly woven by the colored yarn I and the connecting yarn 2 to form a designed jacquard pattern on the front surface of the fabric, the lower layer is woven by the colored yarn II to form a pure colored pattern on the back surface of the fabric, a part of the colored yarn II is woven to form the lower layer 4 and simultaneously is used as the connecting yarn 2 to connect the upper layer and the lower layer according to an upper process, and 600D three-dimensional curled polylactic acid yarns which do not participate in weaving are inserted between the upper layer and the lower layer.
Example 2
As shown in fig. 5 and 6, the polylactic acid knitted mattress fabric of the embodiment 2 comprises an upper layer 1, a middle layer 3 and a lower layer 4, the mattress fabric is three-color jacquard, 8 paths of processes form a complete knitting cycle, and the specific threading mode of 8 paths is as follows:
(1) The 1 st and 5 th paths are color yarn I of 150D white polylactic acid yarns;
(2) The 2 nd and 6 th paths are 600D three-dimensional curled polylactic acid yarns (weft-inserted yarns);
(3) The 3 rd and 7 th paths are color yarn II of 150D blue polylactic acid yarns;
(4) The 4 th and 8 th paths are color yarn III of 150D green polylactic acid yarns.
The pattern effect and the enlarged partial view of the front surface of the fabric of the polylactic acid knitted mattress fabric of example 2 are shown in fig. 5, and include an unconnected area a where the upper layer 1 and the lower layer 4 are knitted on one side, and a connection area B where the lower layer 4 is knitted and the upper and lower layers are connected.
The knitting diagram of the unconnected area A and the connected area B is shown in figure 6, wherein the unconnected area A is an air layer structure, the upper layer 1 is knitted by the colored yarn I on the front surface of the fabric to form a pure colored pattern, the lower layer is knitted by the colored yarn II and the colored yarn III on the back surface of the fabric to form a sesame point pattern, and 600D three-dimensional curled polylactic acid yarns which do not participate in knitting are lined in an interlayer formed by the upper layer and the lower layer; the upper layer 1 of the connecting area B is mainly woven by the colored yarn I and the connecting yarn 2 to form a designed jacquard pattern on the front surface of the fabric, the lower layer 4 is woven by the colored yarn II and the colored yarn III to form a sesame point pattern on the back surface of the fabric, a part of the colored yarn II and the colored yarn III are woven to form the lower layer 4 and simultaneously serve as the connecting yarn 2 to connect the upper layer and the lower layer according to an upper process, and 600D three-dimensional curled polylactic acid yarns which do not participate in weaving are inserted into an interlayer between the upper layer and the lower layer.
Example 3
As shown in fig. 6 and 7, the polylactic acid knitted mattress fabric of the embodiment 3 comprises an upper layer 1, a middle layer 3 and a lower layer 4, the mattress fabric is three-color jacquard, 8 paths of processes form a complete knitting cycle, and the specific threading mode of 8 paths is as follows:
(1) The 1 st and 5 th paths are color yarn I of 150D white polylactic acid yarns;
(2) The 2 nd and 6 th paths are 450D three-dimensional curled polylactic acid yarns (weft-inserted yarns);
(3) The 3 rd and 7 th paths are color yarn II of 150D blue polylactic acid yarns;
(4) The 4 th and 8 th paths are color yarn III of 150D green polylactic acid yarns.
The pattern effect and the enlarged partial view of the front surface of the fabric of the polylactic acid knitted mattress fabric of example 3 are shown in fig. 7, and include an unconnected area a where the upper layer 1 and the lower layer 4 are knitted on one side, and a connection area B where the lower layer 4 is knitted and the upper and lower layers are connected.
The principle of knitting the unconnected area a and the connected area B is the same as that of the unconnected area a and the connected area B described in example 2, and the knitting diagram is shown in fig. 6.
Example 4
The polylactic acid knitted mattress fabric comprises an upper layer, a middle layer and a lower layer, wherein the mattress fabric is three-color jacquard, 8 paths of processes form a complete knitting cycle, and the specific threading mode of 8 paths is as follows:
(1) The 1 st and 5 th paths are color yarn I of 150D white polylactic acid yarns;
(2) The 2 nd and 6 th paths are 600D three-dimensional curled polylactic acid yarns (weft-inserted yarns);
(3) The 3 rd and 7 th paths are color yarn II of 150D blue polylactic acid yarns;
(4) The 4 th and 8 th paths are color yarn III of 150D green polylactic acid yarns.
The front pattern effect drawing and the partial front and back pattern design drawing of the polylactic acid knitted mattress fabric are the same as those of the embodiment 3, and as shown in fig. 7, the polylactic acid knitted mattress fabric comprises an unconnected area A for knitting an upper layer single face and a lower layer single face respectively, and a connecting area B for knitting the lower layer and simultaneously connecting the upper layer single face and the lower layer single face. The principle of knitting the unconnected area a and the connected area B is the same as that of the unconnected area a and the connected area B described in example 2, and the knitting diagram is shown in fig. 6.
In order to better prove that the polylactic acid knitted mattress fabric has multifunction, the ventilation resistance of the mattress fabric of each embodiment is tested by using a KES-F8 ventilation tester, and the ventilation resistance is respectively measured according to the standard GB/T24442.1-2009, section 1 of the measurement of the compression property of textiles: the method for testing the fluffiness, which is specified in the constant method, is specified in the standard GB/T11048-2018, the method for testing the thermal resistance and the wet resistance under the condition of stable physiological comfort of textiles, and the standard GB/T21655.2-2019, the evaluation of the moisture absorption and quick drying of textiles, part 2: the mattress fabric of each example was evaluated for the bulk, warmth and moisture absorption and perspiration properties by the method for testing moisture absorption and perspiration properties specified in dynamic moisture transfer method, and the specific test results are shown in the following table:
The smaller the air permeability resistance value is, the better the air permeability effect is. The greater the thermal resistance, the better the warmth retention. As can be seen from comparing the performance test results of the examples with the performance test results of the comparative examples, the air permeability, the bulkiness and the heat retention of the fabric in each example of the utility model reach higher levels, and each moisture absorption and sweat release index of the fabric reaches 3 levels and above, which meets the moisture absorption and sweat release requirements specified in the national standard GB/T21655.2-2019, and indicates that the polylactic acid knitted mattress fabric of the utility model has excellent air permeability, bulkiness, heat retention and moisture absorption and sweat release.
In addition, as can be seen from the data in the above table, the specifications of the three-dimensional crimped polylactic acid weft insertion yarns and the weave structures of the upper and lower fabrics all affect the performance of the finally obtained polylactic acid knitted mattress fabric. In practical application, the specification of the polylactic acid yarns and the tissue structures of the upper and lower fabrics can be designed and changed according to specific performance requirements so as to optimize each performance of the finally woven polylactic acid knitted mattress fabric.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.
In the embodiments of the present application, if the terms "mounted," "connected," "fixed," and the like are used in a broad sense, for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the embodiments of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present application and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present application.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present application and is not intended to limit the embodiment of the present application, and various modifications and variations can be made to the embodiment of the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202323299456.6U CN221775464U (en) | 2023-12-01 | 2023-12-01 | Polylactic acid knitted mattress fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202323299456.6U CN221775464U (en) | 2023-12-01 | 2023-12-01 | Polylactic acid knitted mattress fabric |
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| CN221775464U true CN221775464U (en) | 2024-09-27 |
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